package com.springcloud.service;

import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;


@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider{
    //消息的发送管道
    @Resource
    private MessageChannel output;
    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        //创建并发送消息
        this.output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("serial:"+serial);
        return serial;
    }
}
